Finding the Fourth Proportional to 965,375.88, 1,332,282.36 and 557,494.84
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Solution
The fourth proportional to 965,375.88, 1,332,282.36 and 557,494.84 is: 769,379.63
Step by Step Solution
- Step 1: Write the proportion equation
965,375.88 : 1,332,282.36 = 557,494.84 : x - Step 2: Convert to fraction form
965,375.88/1,332,282.36 = 557,494.84/x - Step 3: Cross multiply
965,375.88x = 1,332,282.36 × 557,494.84 - Step 4: Simplify right side
965,375.88x = 742,740,541,123.02 - Step 5: Solve for x
x = 742,740,541,123.02/965,375.88 - Step 6: Final answer
x = 769,379.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.